Home / 1,080,556.28-1,491,225.06-621,740.56

Finding the Fourth Proportional to 1,080,556.28, 1,491,225.06 and 621,740.56

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Solution

The fourth proportional to 1,080,556.28, 1,491,225.06 and 621,740.56 is: 858,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,556.28 : 1,491,225.06 = 621,740.56 : x
  2. Step 2: Convert to fraction form
    1,080,556.28/1,491,225.06 = 621,740.56/x
  3. Step 3: Cross multiply
    1,080,556.28x = 1,491,225.06 × 621,740.56
  4. Step 4: Simplify right side
    1,080,556.28x = 927,155,103,541.30
  5. Step 5: Solve for x
    x = 927,155,103,541.30/1,080,556.28
  6. Step 6: Final answer
    x = 858,035.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.